#45B4EA#45B4EA

#45B4EA is a light, vivid cyan. Relative luminance 0.398; OKLCH L 73.0% C 0.126 H 233.6°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX#45B4EA
RGBrgb(69, 180, 234)
HSLhsl(200, 80%, 59%)
HSVhsv(200, 71%, 92%)
CMYKcmyk(70.5%, 23.1%, 0%, 8.2%)
CIE-LABlab(69.36, -14.31, -36.07)
CIE-LCHlch(69.36, 38.81, 248.36°)
OKLaboklab(72.95% -0.0748 -0.1014)
OKLCHoklch(72.95% 0.126 233.6)
XYZxyz(33.6209, 39.8444, 83.7448)
Luminance0.3985 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B4EA #EA7B45
analogous
#45EACD #45B4EA #4562EA
triadic
#45B4EA #EA45B4 #B4EA45
tetradic
#45B4EA #CD45EA #EA7B45 #62EA45
square
#45B4EA #CD45EA #EA7B45 #62EA45
split-complementary
#45B4EA #EA4562 #EACD45
monochromatic
#1273A2 #199AD9 #45B4EA #7CCAF0 #B3E0F6

Accessibility & contrast

On white

2.34
#45B4EA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.97
#45B4EA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B4EA
8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B4EA#FFFFFF#000000##000000
##45B4EA1.002.348.978.97
#FFFFFF2.341.0021.0021.00
#0000008.9721.001.001.00
##0000008.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AB2ED
Deuteranopia (green-blind)
#83A2E9
Tritanopia (blue-blind)
#00C2C6
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #45b4ea;
/* rgb */ color: rgb(69, 180, 234);
/* oklch */ color: oklch(73.0% 0.126 233.6);
Tailwind
colors: {
  custom: {
    50: '#8ccaf1',
    500: '#45b4ea',
    950: '#000000',
  },
}
SCSS
$custom: #45b4ea;
$custom-light: #8ccaf1;
$custom-dark: #000000;
JSON
{
  "hex": "#45b4ea",
  "rgb": {
    "r": 69,
    "g": 180,
    "b": 234
  },
  "hsl": {
    "h": 199.636,
    "s": 79.71,
    "l": 59.412
  },
  "oklch": {
    "l": 0.72952,
    "c": 0.12602,
    "h": 233.6
  },
  "luminance": 0.39848
}

Semantic roles & 50–950 ramp

primary
#45B4EA
secondary
#E6BAA5
accent
#7232F6
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #45B4EA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#45B4EA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva